/**
 * #      1370
 * 名称   上升下降字符串
 * 链接   https://leetcode-cn.com/problems/increasing-decreasing-string
 * 题解   [532](https://leetcode-cn.com/problems/increasing-decreasing-string/solution)
 * 通过率 79.3%
 * 难道   简单
 */

